【摘要】 以Pb（NO₃）₂、NaOH和NH₄Cl粉末为原料，采用简单的机械研磨法制备了Pb（OH）Cl样品。针对3种有机染料（亚甲基蓝（MB）、甲基橙（MO）和罗丹明B（Rhodamine B, RhB））,研究了在可见光照射下添加和不添加H₂O₂时Pb（OH）Cl样品的光催化降解性能。结果表明：经时间为1 h的机械研磨，Pb（NO₃）₂、NaOH和NH₄Cl 3种粉末能发生固相反应，生成平均粒径约为0.8μm的Pb（OH）Cl粉体；Pb（OH）Cl样品对有机染料表现出的降解能力较弱；在H₂O₂辅助下，Pb（OH）Cl样品能在60～75 min的时间内完全降解MB、 MO和RhB等污染物，H₂O₂明显改善了Pb（OH）Cl的光催化性能。更多还原

【Abstract】 Pb（OH）Cl is prepared from Pb（NO₃）₂, NaOH, and NH₄Cl powders through a simple solid-reaction method. In this article, the photocatalytic-degradation properties of the obtained Pb（OH）Cl sample for different organic dyes（methylene blue（MB）, methyl orange（MO）, and rhodamine B（RhB）） through H₂O₂ addition are investigated under visible-light irradiation. Results showed that Pb（OH）Cl particles with an average size of 0.8 μm were obtained by the solid reaction within 1 h. Pb（OH）Cl showed suitable degradation ability for MO but almost none for MB and RhB. H₂O₂ effectively improved the photocatalytic properties of Pb（OH）Cl and almost completely degraded MO, MB, and RhB within 60～75 min.更多还原